Dr. Jeremy “Jer” D. W. Clifton is Senior Research Scientist at the Penn Positive Psychology Center, Director of the Primals Project, and teaches research methods in the Masters of Applied Positive Psychology program. He received a PhD in psychology from the University of Pennsylvania under Dr. Martin Seligman (advisor) and Dr. Angela Duckworth (committee chair). His research focuses on primal world beliefs and measurement methodology. Publications include the 2019 Psychological Assessment article featured in the Washington Post that empirically mapped primal world beliefs; a 2020 Psychological Methods article on validity versus reliability tradeoffs in scale creation; and a 2022 Perspectives on Psychological Science article on cross-cultural scale invariance. His research has also been featured inn Forbes, the Atlantic, Fox News, Elle, Al Jazeera, Psychology Today, Scientific American, and Hidden Brain. Website: www.myprimals.com. Twitter: @JerClifton